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The closed section of floor floor steel deckfloor steel deckbottom gravity center distance of about 16mm, less than the open type or reentrant floor floor steel deckparameters, according to the plasticity theory analysis of structural bearing capacity of composite slab, concrete pressure force and tensile force center center with arm greater, the said material strength play more fully, so the closed composite slab the structure has greater bearing capacity or has higher safety coefficient;
Because of the flat bottom of the bearing plate, the steel floor steel deckcan be fully combined with the upper wing floor steel deckof the steel beam regardless of the steel beam or the horizontal beam. Therefore, the top floor steel deckof the upper wing of the steel beam does not need to be sprayed with fireproof paint. The openings between the steel floor steel deckand the steel beam are void and need to be filled with holes in the shoulder;
When floor steel deckis only bent according to the span, the steel floor steel deckcan be connected with the steel beam, because the bottom of the slab is smooth, and there is enough joint area with the steel beam. Therefore, no treatment can be directly laid in the past (to avoid opening floor steel deckand steel beam and a virtual cut patch);
The floor steel deck floor steel deckreplaces the lower steel bar completely, and reduces the quantity of the steel reinforcement on the spot, thereby reducing the labor quantity on the spot and speeding up the construction speed. At the same time, the original design of lower reinforcement can provide more space for laying wires and wires in the floor;
The floor of the closed building has a flat bottom and a web board, and can provide various treatment methods of the ceiling board according to the different functions and needs of various rooms.
The floor floor steel deckcan be used as part of the structural strength to reduce the material cost, and is easy to be used for reinforcement, wiring and piping construction.